Finding the Fourth Proportional to 14,565,785.67, 20,107,586.66 and 8,453,033.19
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Solution
The fourth proportional to 14,565,785.67, 20,107,586.66 and 8,453,033.19 is: 11,669,133.49
Step by Step Solution
- Step 1: Write the proportion equation
14,565,785.67 : 20,107,586.66 = 8,453,033.19 : x - Step 2: Convert to fraction form
14,565,785.67/20,107,586.66 = 8,453,033.19/x - Step 3: Cross multiply
14,565,785.67x = 20,107,586.66 × 8,453,033.19 - Step 4: Simplify right side
14,565,785.67x = 169,970,097,328,375.91 - Step 5: Solve for x
x = 169,970,097,328,375.91/14,565,785.67 - Step 6: Final answer
x = 11,669,133.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.